The optical components of a mouse use infrared light so I doubt that
sunlight caused your problems.  If at all, it may have been
temperature
more than light which caused your problems.

I'm very surprised that your mouse still works after spraying paint
into it.

Jim Meagher
=====
Micro Solutions Consulting     Member of The HTML Writers Guild
http://www.ezy.net/~microsol   International Webmasters Association
=====
-----Original Message-----
From: Rupert Thomas <[log in to unmask]>


>David Justman wrote:
>>My mouse is beginning to refuse to respond generally, but especially
>>in the upward direction.
>
>Hi, I'm not sure if this is relevant to your problem, but I noticed
my
>mouse was moving very erratically, even after several cleans. I
>eventually found that it was only malfunctioning when it was very
>sunny, and it seems that if I put the mouse in a shadow, it would
work
>fine. I presume the movement of the mouse ball is tracked by optical
>means, with which direct sunlight would interfer with. My solution
> to spray the inside of the mouse with black paint, which seemed to
help.
>
>Hope this helps,
>Rupert Thomas